This fs is on a RAID 6 md device, where 1 or 2 devices had problems. This
should not have had an effect with the fs. Now I think it might have.
Mit freundlichen Grüßen/Kind regards
Felix Koop
> Qu Wenruo hat am 24. September 2019 um 11:23
> geschrieben:
>
>
>
>
> On 2019/9/24 下午5:18, Fe
On 2019/9/24 下午5:18, Felix Koop wrote:
> Hi Qu,
>
> this is what I got:
>
> root@tuxedo:~# btrfs rescue super-recover /dev/md/1
> Make sure this is a btrfs disk otherwise the tool will destroy other fs, Are
> you sure? [y/N]: y
> checksum verify failed on 340721664 found EACFB938 wanted 24037B
Hi Qu,
this is what I got:
root@tuxedo:~# btrfs rescue super-recover /dev/md/1
Make sure this is a btrfs disk otherwise the tool will destroy other fs, Are
you sure? [y/N]: y
checksum verify failed on 340721664 found EACFB938 wanted 24037BC4
checksum verify failed on 340721664 found EACFB938 wan
On 2019/9/24 下午4:27, Felix Koop wrote:
> Hi Qu,
>
> unfortunately nothing under dmesg.
>
> ~# btrfs ins dump-super -fFa /dev/md/1
> superblock: bytenr=65536, device=/dev/md/1
> -
> csum_type 48250 (INVALID)
> csum_size
Sorry, forgot kernel and btrfs versions:
root@tuxedo:~# uname -a
Linux tuxedo.fkoop.de 5.0.0-27-generic #28-Ubuntu SMP Tue Aug 20 19:53:07 UTC
2019 x86_64 x86_64 x86_64 GNU/Linux
root@tuxedo:~# btrfs --version
btrfs-progs v4.20.2
Mit freundlichen Grüßen/Kind regards
Felix Koop
> Felix Koop
Hi Qu,
unfortunately nothing under dmesg.
~# btrfs ins dump-super -fFa /dev/md/1
superblock: bytenr=65536, device=/dev/md/1
-
csum_type 48250 (INVALID)
csum_size 32
csum
0x8e5542eb70bced2a96808
On 2019/9/22 下午2:34, Felix Koop wrote:
> Hello,
>
> I need help accessing a btrfs-filesystem. When I try to mount the fs, I
> get the following error:
>
> # mount -t btrfs /dev/md/1 /mnt
> mount: /mnt: wrong fs type, bad option, bad superblock on /dev/md1,
> missing codepage or helper program,
Hello,
I need help accessing a btrfs-filesystem. When I try to mount the fs, I
get the following error:
# mount -t btrfs /dev/md/1 /mnt
mount: /mnt: wrong fs type, bad option, bad superblock on /dev/md1,
missing codepage or helper program, or other error.
When I then try to check the fs, this is
